John Glenn (Columbus, OH) Airport has an interfaith meditation room (in Baggage Claim / Pre-Security) that offers a quiet environment. [1] The airport also offers nursing rooms pre- and post- Security - while those rooms are made for nursing mothers, the rooms may offer a quiet area for the Special Needs community. [2]
Cover Photo of CMH Airport (Top of Page): https://www.experiencecolumbus.com/listing/john-glenn-columbus-international-airport/5595/
Photo of Prayer Room: https://flycolumbus.com/passengers/dining-shopping-amenities/